Spectroscopic observations of three elliptical galaxies

Details Spectroscopic observations of three elliptical galaxies Spectroscopic observations of three elliptical galaxies

Dec 1980

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1980mnras.193..931e&link_type=abstract

Monthly Notices of the Royal Astronomical Society, vol. 193, Dec. 1980, p. 931-946. Research supported by the Science Research

Astronomy and Astrophysics

Astronomy

77

Astronomical Spectroscopy, Elliptical Galaxies, Galactic Rotation, Cross Correlation, Radial Velocity, Velocity Distribution

Scientific paper

Spectroscopic observations of NGC 4472, NGC 5813, and IC 4296 are reported. Rotation curves, velocity dispersion profiles, and line strength profiles were obtained by a Fourier quotient method and a cross correlation method. NGC 4472 and NGC 5813 are found to rotate slowly, which provides additional support for the hypothesis that the shapes of elliptical galaxies are due to velocity anisotropies rather than to rotation. IC 4296 rotates quite rapidly, which is consistent with isotropic oblate models.

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